Metaan (CH4) is in reukleas en kleurleas flammable gas en tsjinnet as in superieure brânstof boarne. It autoignites by likernôch 538 ° C, spontaan combusting by it berikken fan spesifike temperatueren.
Karakterisearre troch in blauwe flam, Metaan kin peaktemperatueren om de 1400 °C berikke. By it mingen mei loft, it becomes eksplosyf between 4.5% en 16% concentrations. Below this threshold, it burns actively, while above, it sustains a more subdued ferbaarning.